19420346

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12433}}^1$

素因数の和:12517

約数の個数: 16

約数和(自身を含む): 32228928

約数和(自身を除く): 12808582

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12433, 24866, 136763, 273526, 882743, 1765486, 9710173, 19420346]

約数ペア:

[(1, 19420346), (2, 9710173), (11, 1765486), (22, 882743), (71, 273526), (142, 136763), (781, 24866), (1562, 12433)]